CN211115646U - Door and window drainage-proof component - Google Patents
Door and window drainage-proof component Download PDFInfo
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- CN211115646U CN211115646U CN201921366713.4U CN201921366713U CN211115646U CN 211115646 U CN211115646 U CN 211115646U CN 201921366713 U CN201921366713 U CN 201921366713U CN 211115646 U CN211115646 U CN 211115646U
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Abstract
The utility model belongs to the technical field of building door and window technique and specifically relates to a drainage component is prevented to door and window, it includes the door and window framework, be provided with the water guide cavity in the door and window framework, seted up the outlet on the vertical outer wall of door and window framework, seted up the outlet on horizontal wall, outlet and outlet all are linked together with the water guide cavity, it keeps apart in order to prevent the one-way manger plate valve plate of fluid through outlet flow direction outlet with outlet to install one in the water guide cavity, the utility model discloses a selection setting of seting up the position of outlet and under the cooperation of water guide cavity and one-way manger plate valve plate, but formed the fluid flow channel that can break-make that is similar to L shape in the door and window framework with built-in hidden mode, make the fluid can only flow to the outlet and can's unable backward flow, not only can reach the effect of waterproof, drainage and mosquito-proof worm, can not cause adverse effect to door and window integral construction and exterior trim effect moreover.
Description
Technical Field
The utility model belongs to the technical field of building door and window technique and specifically relates to a drainage component is prevented to door and window.
Background
It is known that building doors and windows, one of the important components of a building, have a significant impact on the quality of the indoor environment. At present, in order to prevent water accumulation in the door and window frame, arranging a drainage mechanism on the door and window becomes one of the design specifications of the door and window, especially for the exterior enclosure door and window of a building. The existing door and window drainage mechanism generally has the main form that a drainage hole is arranged on a door and window frame body so as to communicate the space inside the door and window frame body or the space of a door and window rail groove with the outside by utilizing the drainage hole, thereby draining accumulated water in the door and window frame body or the door and window rail groove in time; however, when the drainage mechanism encounters strong convection weather, not only original accumulated water in doors and windows cannot be smoothly drained outdoors, but also external rainwater is easily driven by airflow to flow backwards, so that indoor water inflow or wall body water immersion is caused; in addition, the drainage mechanism in the form of drainage holes also provides a passage for mosquitoes to invade the room.
In view of this, various improved door and window drainage mechanisms are available in the market at present, for example, a door and window drainage hole cover with wind and insect prevention and various colors disclosed in the patent application No. 201721686959.7 chinese utility model is mainly to cover a housing cover plate of a prefabricated drainage hole by buckling the exterior of a door and window frame profile, and to provide a baffle plate capable of rotating relatively between the housing cover plate and the outer wall of the door and window frame profile, so as to adjust the extension path of the prefabricated drainage hole from the horizontal direction to the vertical downward direction. Although the drainage mechanism can avoid the problem that rainwater or mosquitoes directly invade the room due to the fact that the drainage hole is directly communicated with the outside to a certain extent, the drainage mechanism has the following defects: 1. the arrangement of the housing cover plate and the baffle will undoubtedly cause negative effects on the overall structure and the exterior decoration effect of the door and window. 2. Under the influence of factors such as imperfect structural design of the baffle plate, under strong convection weather, external air flow still exists and can enter the shell cover plate from the lower part of the shell cover plate, and then the baffle plate is opened relative to the drain hole to invade into the drain hole or indoors. Thus, there is still room for significant improvement in existing door and window drainage mechanisms.
SUMMERY OF THE UTILITY MODEL
To the not enough of above-mentioned prior art existence, the utility model aims to provide a drainage component is prevented to door and window.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a door and window drainage prevention component, it includes the door and window frame body, be provided with the water guide cavity in the door and window frame body, seted up the outlet on the vertical outer wall of door and window frame body, seted up the outlet on the wall of horizontal, outlet and outlet all are linked together with the water guide cavity, install one in the water guide cavity and keep apart outlet and outlet with the one-way manger plate valve plate that prevents fluid flow direction outlet through the outlet.
Preferably, the one-way water retaining valve plate comprises a water retaining valve plate and a limiting inclined plate, wherein the water retaining valve plate is distributed along a longitudinal wall surface parallel to the door and window frame, two ends of the water retaining valve plate in the transverse length direction are rotatably connected with the inner cavity wall of the water guide cavity, and the limiting inclined plate is formed by obliquely bending and extending the longitudinal lower edge of the water retaining valve plate towards the water outlet and abuts against the transverse lower cavity wall of the water guide cavity.
Preferably, the one-way water-retaining valve plate further comprises a limiting hanging plate which is formed by extending the transverse cavity wall of the water guide cavity downwards and is positioned between the back water surface side of the water-retaining valve plate and the side of the water discharge opening.
Preferably, a plurality of diversion trenches distributed side by side along the transverse length direction of the one-way water retaining valve plate are formed in the upstream face of the one-way water retaining valve plate.
Preferably, one-way manger plate valve includes that one is distributed and the inner chamber wall of horizontal length direction's both ends and water guide cavity along the vertical wall that is on a parallel with door and window frame makes the manger plate valve plate of rotation connection and is made the shaping after the extension by the horizontal chamber wall of water guide cavity downwards and is located the spacing hanger plate between the back of the water face side of manger plate valve plate and the outlet avris, the vertical height of manger plate valve plate equals or is less than the horizontal chamber wall of water guide cavity and the interval between the horizontal lower chamber wall.
Preferably, the door and window frame includes a hollow frame section, the drain opening is formed in a longitudinal outer wall surface of the frame section, the drain opening is formed in a lateral wall surface of the frame section, the frame section is internally provided with and locked with a drain box, an inner space of the drain box is used as a water guide chamber, a drain guide opening is formed in a region on the lateral wall surface of the drain box and opposite to the drain opening, and a drain guide opening is formed in a region on the longitudinal wall surface and opposite to the drain opening.
Preferably, the drainage box comprises a box body provided with a top port and installed and locked in the frame profile, and a cover plate covered and locked on the top port of the box body, the water guide chamber is enclosed by the box body and the cover plate into a shape, the water drainage guide port is arranged on the cover plate, and the drainage guide port is arranged on the longitudinal outer wall surface of the box body.
Preferably, the drainage diversion opening and/or the drainage diversion opening is in a strip hole structure or a mesh structure consisting of a plurality of diversion holes distributed in an array.
Preferably, the drainage box is further provided with an insect prevention filter screen which is arranged in the drainage box to cover the drainage diversion opening and/or the drainage diversion opening.
Preferably, the insect-proof filter screen comprises a main board part clamped and locked between the box body and the cover plate, a filter screen bulge part formed on the main board part and embedded in the water drainage flow guide opening in an aligned manner, and a plurality of water seepage openings formed in a transition area between the filter screen bulge part and the main board part, wherein a waterproof cofferdam distributed around the filter screen bulge part is formed on the surface of the cover plate.
Due to the adoption of the scheme, the utility model discloses a set up the selection setting of the position of seting up of outlet and under the cooperation of water guide cavity and one-way manger plate valve plate, but formed the fluid runner of break-make that is similar to L shape in the door and window frame, make the fluid can only flow to the outlet by the outlet and can't flow back and flow backward, not only can solve effectively traditional door and window drainage mechanism and lead to external rainwater to invade in the door and window frame or indoor or permeate to series of problems such as wall in the wash port easily under the effect of wind pressure because of adopting straight line inside and outside appearance drainage runner, and because parts such as one-way manger plate valve plate are built-in and hide in the door and window frame, can effectively avoid among the prior art because of the setting of parts such as drain cover and cause the problem of adverse effect, its simple structure, dismouting maintenance are nimble convenient, waterproof, drainage and mosquito-proof invasion effect is showing, has very strong practical value and market spreading value.
Drawings
FIG. 1 is a schematic view, partially in section, of a first structural configuration of an embodiment of the present invention;
fig. 2 is a schematic longitudinal sectional view of a first structural configuration of an embodiment of the present invention;
fig. 3 is an exploded schematic view (one) of a first drainage box according to an embodiment of the present invention;
fig. 4 is an exploded schematic view (ii) of a first drainage box according to an embodiment of the present invention;
fig. 5 is a schematic structural diagram of the embodiment of the present invention in a disassembled and assembled state;
fig. 6 is an exploded view of a second drainage box according to an embodiment of the present invention;
fig. 7 is a schematic longitudinal sectional view of a second structural configuration of the embodiment of the present invention.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in figures 1 to 7, the present embodiment provides a drainage preventing member for doors and windows, which comprises a door and window frame 10, a water guiding chamber a is provided in the door and window frame 10 (especially in the lower frame of the door and window), a drainage port b is provided on the longitudinal outer wall of the door and window frame 10, a drainage port c is provided on the lateral wall (such as on the groove surface of the rail groove of the door and window frame 10), wherein the drainage port b and the drainage port c are both communicated with the water guiding chamber a, and a one-way water-blocking valve plate 20 is provided in the water guiding chamber a for isolating the drainage port b from the drainage port c to prevent the fluid from flowing to the drainage port c through the drainage port b, thereby, by selecting the positions of the drainage port b and the drainage port c and matching the drainage chamber a, a fluid flow channel similar to L is formed in the door and window frame 10, the accumulated water (especially the accumulated water in the groove of the door and window frame 10) can flow into the drainage chamber a water guiding chamber a through the drainage port c, and finally flows out through the drainage port b, and the water-blocking valve plate can be easily prevented from flowing into the door and the drainage port b, and the drainage mechanism can be easily prevented from the drainage port b, and the water flowing into the door and the drainage mechanism can be easily prevented from the door and the drainage mechanism can be easily caused by the water flowing back through the drainage port c, and the door and the drainage mechanism, and the door and window frame 10.
In order to ensure that the one-way water-retaining valve plate 20 can perform an effective one-way check function, and at the same time, to simplify the structure of the whole component to the maximum extent, the one-way water-retaining valve plate 20 of the present embodiment may adopt the following scheme according to the actual situation (for the sake of clear description of each surface of the one-way water-retaining valve plate 20, the present embodiment defines the inner wall surface (or the wall surface facing the water discharge opening c) of the one-way water-retaining valve plate 20 as a back water surface, and the outer wall surface (or the wall surface facing the water discharge opening b) of the one-way water-retaining valve plate 20 as:
1. as shown in fig. 7, the one-way water-stop valve plate 20 of the present embodiment includes a water-stop valve plate 21 distributed parallel to the longitudinal wall surface of the door/window frame 10 and having two ends in the transverse length direction rotatably connected to the inner cavity wall of the water guide chamber a, and a limiting hanging plate 22 formed by extending the transverse cavity wall of the water guide chamber a downward and located between the back water surface side of the water-stop valve plate 21 and the side of the water discharge opening c, wherein the longitudinal height of the water-stop valve plate 21 is equal to or less than the distance between the transverse cavity wall and the transverse lower cavity wall of the water guide chamber a. Therefore, the main body part of the whole one-way water baffle valve plate 20 is equivalent to a straight plate-shaped structure, the limit hanging plate 22 can prevent the water baffle valve plate 21 from rotating towards one side where the water discharge opening c is located, when accumulated water is generated in the rail groove of the door and window frame 10, the accumulated water can flow downstream to the water guide chamber a through the water discharge opening c and is accumulated in the space area between the water baffle valve plate 21 and the water discharge opening c, and when the accumulated water reaches a certain amount, an external thrust is formed on the water baffle valve plate 21 to enable the water baffle valve plate 21 to rotate towards one side where the water discharge opening b is located, so that the bottom edge of the water baffle valve plate 21 is separated from the transverse lower cavity wall of the water guide chamber a (namely, the water baffle valve plate 21 is opened) and finally the accumulated water is discharged to the outside through the water discharge opening b; on the contrary, when the external wind pressure is large, the air flow enters the water guide chamber a through the water outlet b and generates wind pressure on the upstream face of the water baffle plate 21, so that the water baffle plate 21 rotates towards one side where the water outlet c is located, and when the bottom edge of the water baffle plate 21 is abutted against or close to the transverse lower chamber wall of the water guide chamber a, the limiting hanging plate 21 can limit the water baffle plate 21 to further rotate, so that the fluid flow channel is closed, and the air flow is prevented from carrying rainwater.
2. As shown in fig. 1 to 5, the one-way water-blocking valve plate 20 of the present embodiment includes a water-blocking valve plate 21 disposed parallel to the longitudinal wall of the door/window frame 10 and having two ends in the transverse length direction rotatably connected to the inner cavity wall of the water-guiding chamber a, and a position-limiting inclined plate 23 formed by bending and extending the longitudinal lower edge of the water-blocking valve plate 21 in an inclined manner in the direction of the water outlet b and abutting against the transverse lower wall of the water-guiding chamber a. Therefore, the main body part of the whole one-way water retaining valve plate 20 is equivalent to a bent plate-shaped structure, and the limit inclined plate 23 is used as a part at the joint of the whole one-way water retaining valve plate 20 and the transverse lower cavity wall of the water guide cavity a; when the fluid pressure on the water-back side of the one-way water retaining valve plate 20 is higher, the one-way water retaining valve plate can be opened so that accumulated water can be discharged through the water discharge port b, and on the contrary, when the water-facing side of the one-way water retaining valve plate 20 is subjected to higher fluid pressure, the valve plate can be closed, and isolation and non-return of external rainwater are realized. On the basis, in order to effectively avoid the valve plate function failure caused by the fact that the water blocking valve plate 21 and the limiting inclined plate 23 are reversely opened towards the side where the drain opening c is located when the external fluid pressure is too high, the same limiting hanging plate 22 can be arranged between the backwater side of the water blocking valve plate 21 and the side of the drain opening by referring to the scheme.
In addition, in order to ensure that the fluid entering the water guiding chamber a through the water outlet b can be smoothly discharged through the water outlet b again under the blocking action of the one-way water baffle plate 20, on the basis of the above solutions, a plurality of guiding grooves 24 distributed side by side along the transverse length direction of the one-way water baffle plate 20 may be formed on the upstream surface of the one-way water baffle plate 20 (e.g., on the upstream surface of the water baffle plate 21 and/or the limiting sloping plate 23).
In order to improve the practical performance of the whole component to the maximum extent, especially the inside of the water guide cavity a can be cleaned and the internal components can be disassembled and maintained as required; the door/window frame 10 of the present embodiment may be composed of a frame profile having a hollow structure in the prior art, wherein the drainage port b is opened on the longitudinal outer wall surface of the frame profile, and the drainage port c is opened on the transverse wall surface of the frame profile; meanwhile, by using the internal structural space of the frame section bar, the drainage box 30 is installed and locked in the frame section bar, the internal space of the drainage box 30 is used as the water guide chamber a, a drainage guide opening d is formed in the area on the horizontal wall surface of the drainage box 30 opposite to the drainage opening c, and a drainage guide opening e is formed in the area on the vertical wall surface opposite to the drainage opening b. Therefore, the drainage box 30 is used as a forming part of the water guide cavity a and an assembly carrier of the one-way water retaining valve plate 20, so that the whole water prevention and drainage component can be conveniently arranged in various door and window frames in a hidden mode according to actual needs, and conditions can be created for cleaning accumulated water, accumulated dust, sundries and the like in the water guide cavity a and maintaining internal parts by utilizing the characteristic that the drainage box 30 is detachable.
In order to optimize the structure of the whole drainage box 30 to the maximum extent and facilitate the disassembly and assembly maintenance of the drainage box 30, the drainage box 30 of the embodiment mainly comprises a box body 31 having a top end opening and installed and locked in the frame profile, and a cover plate 32 covered and locked on the top end opening of the box body 31, wherein the water guide chamber a is enclosed by the box body 31 and the cover plate 32, the water drainage diversion opening d is formed in the cover plate 32, and the water drainage diversion opening e is formed in the longitudinal outer wall surface of the box body 31.
Meanwhile, the drainage guide opening d and/or the drainage guide opening e of the embodiment may adopt a strip hole structure as shown in fig. 6 or a mesh structure composed of a plurality of guide holes distributed in an array as shown in fig. 3 and 4 according to actual situations in order to prevent external impurities from entering the drainage box 30 and affecting the waterproof and drainage effects.
In order to prevent mosquitoes from entering the room through the whole component and achieve the effect of mosquito prevention, an insect prevention filter screen 40 covering the drainage diversion opening d and/or the drainage diversion opening e is also arranged in the drainage box 30; the protection against insects filter screen 40 of this embodiment can adopt different structures and installation form according to the condition of difference, specifically be: based on the structural difference between the drainage diversion opening d and the drainage diversion opening e, the drainage diversion opening d shown in fig. 3 is a strip hole structure, and the drainage diversion opening e is a mesh structure, the insect-proof filter screen 40 can be directly clamped between the cover plate 32 and the box body 31, so that the drainage diversion opening d is directly covered by the insect-proof filter screen 40; in addition, in the case that the drain guide opening d and the drain guide opening e shown in fig. 6 are both of a bar hole structure, the insect-proof filter screen 40 may be directly installed in the box body 31, thereby simultaneously covering the drain guide opening d and the drain guide opening e.
In addition, in order to prevent the accumulated water from leaking into the door/window frame 10 through the gap between the door/window frame and the drainage box 40, as shown in fig. 3 and 4, the insect-proof screen 40 of the present embodiment preferably includes a main plate 41 clamped and locked between the box body 31 and the cover plate 32, a screen protrusion 42 formed on the main plate 41 and aligned and embedded in the drainage guide opening d, and a plurality of drainage openings 43 opened in the transition area between the screen protrusion 42 and the main plate 41, and a waterproof cofferdam 33 distributed around the screen protrusion 42 (i.e. distributed around the drainage guide opening d) is formed on the surface of the cover plate 31; therefore, a clamping groove (not shown in the figure) for aligning and embedding the waterproof cofferdam 33 can be arranged on the inner wall surface of the door and window frame body 10 (namely, on the wall surface abutting against the cover plate 31), and then after the whole drainage box is assembled on the door and window frame body 10, the structural gap between the cover plate 31 and the door and window frame body 10 can be closed by utilizing the matching between the waterproof cofferdam 33 and the clamping groove, so that accumulated water is guided to the molding area surrounded by the waterproof cofferdam 33 and mainly permeates into the box body 31 through the filter screen bulge part 43; meanwhile, because a structural gap still exists between the filter screen bulge 42 and the drainage guide opening d, accumulated water permeating between the insect-proof filter screen 40 and the cover plate 32 can be guided into the box body 31 by the arranged water seepage opening 43, so that all accumulated water can be finally guided into the drainage box, and the effect of comprehensively preventing the accumulated water from permeating is achieved; in addition, in order to enhance the compactness of the structural assembly between the whole drainage box 30 and the door and window frame 10 and further eliminate the problem of seeping water and leakage caused by the existence of structural gaps between the two, the cover plate 32 of the embodiment is preferably a plate-shaped structure made of rubber, and the insect-proof screen 40 and the box 31 can be made of rigid materials such as zinc alloy, so as to achieve the waterproof and sealing effects by utilizing the material property differences among the components.
The above only is the preferred embodiment of the present invention, not limiting the scope of the present invention, all the equivalent structures or equivalent flow changes made by the contents of the specification and the drawings, or directly or indirectly applied to other related technical fields, are included in the same way in the protection scope of the present invention.
Claims (10)
1. The utility model provides a door and window prevents drainage component which characterized in that: the door and window frame is internally provided with a water guide cavity, a water outlet is formed in the longitudinal outer wall surface of the door and window frame, a water outlet is formed in the transverse wall surface of the door and window frame, the water outlet and the water outlet are communicated with a water guide cavity, and a one-way water retaining valve plate for isolating the water outlet from the water outlet so as to prevent fluid from flowing to the water outlet through the water outlet is arranged in the water guide cavity.
2. The waterproof and drainage component for doors and windows as claimed in claim 1, wherein: the one-way water retaining valve plate comprises a water retaining valve plate and a limiting inclined plate, wherein the water retaining valve plate is distributed along the longitudinal wall surface parallel to the door and window frame, two ends of the water retaining valve plate in the transverse length direction are rotatably connected with the inner cavity wall of the water guide cavity, and the limiting inclined plate is formed by obliquely bending and extending the longitudinal lower edge of the water retaining valve plate towards the water outlet and abuts against the transverse lower cavity wall of the water guide cavity.
3. The waterproof and drainage member for doors and windows according to claim 2, wherein: the one-way water retaining valve plate further comprises a limiting hanging plate which is formed by extending the transverse cavity wall of the water guide cavity downwards and is positioned between the water backing side of the water retaining valve plate and the side of the water discharge opening.
4. The waterproof and drainage component for doors and windows as claimed in claim 1, wherein: a plurality of diversion trenches distributed side by side along the transverse length direction of the one-way water retaining valve plate are formed in the upstream face of the one-way water retaining valve plate.
5. The waterproof and drainage component for doors and windows as claimed in claim 1, wherein: one-way manger plate valve plate includes that one is along the vertical wall distribution of the door and window frame body and horizontal length direction's both ends and the inner chamber wall of water guide cavity do the manger plate valve plate of rotation connection and by the horizontal chamber wall of water guide cavity do the shaping after the extension downwards and be located the back of the body water face side of manger plate valve plate and the spacing hanger plate between the sluicing mouth avris, the vertical highly equals or is less than the horizontal chamber wall of water guide cavity and the interval between the horizontal lower chamber wall of water guide cavity.
6. The waterproof and drainage member for windows and doors as claimed in any one of claims 1 to 5, wherein: the door and window frame body includes hollow structure's framework section bar, the outlet is seted up on the vertical outer wall of framework section bar, the outlet is seted up on the horizontal wall of framework section bar, install and the lock solid has drainage box in the framework section bar, drainage box's inner space is as water guide cavity, just drainage box on the horizontal wall and with the outlet relative position the region seted up sluicing water conservancy diversion mouth, on the vertical wall and with the outlet relative position the region seted up drainage water conservancy diversion mouth.
7. The waterproof and drainage component for doors and windows as claimed in claim 6, wherein: the drainage box comprises a box body which is provided with a top port and is installed and locked in the frame body section bar, and a cover plate which is covered and locked on the top port of the box body, the water guide cavity is enclosed by the box body and the cover plate into a shape, the water drainage guide port is arranged on the cover plate, and the drainage guide port is arranged on the longitudinal outer wall surface of the box body.
8. The waterproof and drainage component for doors and windows as claimed in claim 6, wherein: the drainage diversion port and/or the drainage diversion port are in a strip hole structure or a mesh structure consisting of a plurality of diversion holes distributed in an array.
9. The waterproof and drainage component for doors and windows as claimed in claim 6, wherein: the drainage box is also internally provided with an insect prevention filter screen which is arranged in the drainage box to cover the drainage diversion opening and/or the drainage diversion opening.
10. The waterproof and drainage member for doors and windows according to claim 9, wherein: the insect-proof filter screen comprises a main board part clamped and locked between the box body and the cover plate, a filter screen bulge part formed on the main board part and embedded in the water drainage flow guide opening in an opposite mode, and a plurality of water seepage openings formed in a transition area between the filter screen bulge part and the main board part, and a waterproof cofferdam distributed around the filter screen bulge part is formed on the surface of the cover plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366713.4U CN211115646U (en) | 2019-08-21 | 2019-08-21 | Door and window drainage-proof component |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921366713.4U CN211115646U (en) | 2019-08-21 | 2019-08-21 | Door and window drainage-proof component |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211115646U true CN211115646U (en) | 2020-07-28 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921366713.4U Active CN211115646U (en) | 2019-08-21 | 2019-08-21 | Door and window drainage-proof component |
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| CN (1) | CN211115646U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374477A (en) * | 2019-08-21 | 2019-10-25 | 四川良木道门窗型材有限公司 | A kind of door and window guarded drainage component |
-
2019
- 2019-08-21 CN CN201921366713.4U patent/CN211115646U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110374477A (en) * | 2019-08-21 | 2019-10-25 | 四川良木道门窗型材有限公司 | A kind of door and window guarded drainage component |
| CN110374477B (en) * | 2019-08-21 | 2024-02-13 | 良木道门窗集团有限公司 | Drainage-proof member for door and window |
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Address after: 618300 No.10, West Section 3, Taibei Road, Guanghan City, Deyang City, Sichuan Province Patentee after: Liangmudao door and window Group Co.,Ltd. Address before: 618000 Guanghan Economic Development Zone, Deyang City, Sichuan Province Patentee before: SI CHUAN LEAWOD WINDOW & DOOR PROFILE Co.,Ltd. |